But the next Gen with 2 in 1 is just around the corner, is it still worth it ?

They are not going to be that cheaper. And battery wise, that 15 2-in-1 may be better because of the integrated nature of CPU and GPU but performance wise, this is still going to be a bit better.
The Intel Core G series with VEGA Graphics, the GPU performance is roughly par with GTX 1050, if not slightly lower and the CPU performance is more or less same because that is going to be quad core and both CPU and GPU power limit is 65W whereas in this model the CPU itself has 45W TDP.

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